Astronomers are very familiar with the twin jets launched from the poles of supermassive black holes. These structures can stretch for distances as great as 23 million light-years, extending way above ...

A team of astronomers analyzed observations by NASA's Hubble Space Telescope taken over a span of 18 years to measure the dynamic motions of stars within the Draco dwarf galaxy. The telescope's ...

(AP) — Europe’s Euclid space telescope has detected a rare halo ... in this case a well-known galaxy in the constellation Draco. The faraway galaxy creating the ring is more than 4 billion ...

Led by Eduardo Vitral of the Space Telescope Science Institute (STScI), the team analyzed the positions and movements of stars in the Draco dwarf galaxy with unprecedented precision. By combining ...